Cita APA (7th ed.)

Schieffer, R. (1992). Die Karolinger: Rudolf Schieffer. Kohlhammer.

Cita Chicago (17th ed.)

Schieffer, Rudolf. Die Karolinger: Rudolf Schieffer. Stuttgart [u.a.]: Kohlhammer, 1992.

Cita MLA (8th ed.)

Schieffer, Rudolf. Die Karolinger: Rudolf Schieffer. Kohlhammer, 1992.